package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.req.UploadVideoRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyun.vod.upload.resp.UploadVideoResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.atguigu.commonutils.R;
import com.atguigu.servicebase.exception.MyException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utils.ConstantVodUtils;
import com.atguigu.vod.utils.InitObject;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

/**
 * @Author: shaki
 * @Date: 2021/6/16 10:52
 */
@Service
@Slf4j
public class VodServiceImpl implements VodService {
    @Override
    public String uploadVideo(MultipartFile file) {
        try{
            String fileName = file.getOriginalFilename(); //本地文件路径 名称
            String title = fileName.substring(0,fileName.lastIndexOf(".")); // 上传之后的名字
            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            //上传视频
            UploadStreamRequest request = new UploadStreamRequest (ConstantVodUtils.ACCESS_KEY_ID,
                                            ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName,inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else {
                /* 如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因 */
                videoId = response.getVideoId();
            }
            log.info("videoId: {}",videoId);
            return videoId;
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void removeMoreAliVideo(List<String> videoIdList) {
        try{
            DefaultAcsClient client = InitObject.initVodClient(ConstantVodUtils.ACCESS_KEY_ID,ConstantVodUtils.ACCESS_KEY_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();
            //支持传入多个视频ID，多个用逗号分隔
            //调方法，把集合自动加上逗号，即 11 22 33 => 11,22,33
            String videoIds = StringUtils.join(videoIdList.toArray(), ",");
            request.setVideoIds(videoIds);
            client.getAcsResponse(request);
        }catch (Exception e){
            e.printStackTrace();
            throw new MyException(20001,"删除视频失败");
        }
    }
}
